//
//  main.m
//  __kindof-id-instancetype
//
//  Created by 李煜 on 2023/9/12.
//

#import <Foundation/Foundation.h>
#import "Son.h"
int main(int argc, const char * argv[]) {
    @autoreleasepool {
        // insert code here...

        Son *son = [Son person];
        [son run];
//        [son sing]; ❎,错误,找不到父类的私有方法

        NSMutableArray
        Son *son2 = [Son onePerson];
        [son2 run];
        NSLog(@"");
    }
    return 0;
}
